Objects in the image:
category: skateboard
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: No
q: is it a light?
a: No
q: is it a ramp?
a: No
q: is it part of the building?
a: No
q: is it protective equipment?
a: Yes
q: does it go on his head?
a: No
q: does it go on his right leg?
a: No